61351263 has 40 divisors (see below), whose sum is σ = 96598656. Its totient is φ = 38750400.

The previous prime is 61351261. The next prime is 61351271. The reversal of 61351263 is 36215316.

It is not a de Polignac number, because 61351263 - 2¹ = 61351261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61351261) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132853 + ... + 133313.

Almost surely, 2^61351263 is an apocalyptic number.

61351263 is a deficient number, since it is larger than the sum of its proper divisors (35247393).

61351263 is a wasteful number, since it uses less digits than its factorization.

61351263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 548 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 61351263 is about 7832.7047052726. The cubic root of 61351263 is about 394.4038713864.

Adding to 61351263 its reverse (36215316), we get a palindrome (97566579).

The spelling of 61351263 in words is "sixty-one million, three hundred fifty-one thousand, two hundred sixty-three".